Physician Profile
Unclaimed ProfileAbout JOHNS
Mark E Johns, MD is a healthcare provider in Midlothian, VA specialising in cardiovascular disease (cardiology). Mark is also listed as specialising in cardiovascular disease.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Johns's specialty?
Dr. Johns is a cardiovascular disease (cardiology) in Midlothian, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where can I find Dr. Johns?
Dr. Johns is listed at 13572 WATERFORD PLACE, Midlothian, VA 23112. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Johns?
The number on file is (804) 560-8782. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Johns?
Dr. Johns's National Provider Identifier is 1558350579. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Johns's medical education?
Dr. Johns attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johns have?
Dr. Johns has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Johns known for?
According to Medicare billing data, Dr. Johns performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and anticoagulant management of patient taking warfarin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Johns's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johns. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (804) 560-8782
- Email not available
Practice Locations
13572 WATERFORD PLACE
Midlothian, VA 23112
Procedures Most Often Billed to Medicare
11,736 services · 7,154 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
98 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
3,017 |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
1,723 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
508 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
433 |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
433 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
417 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
181 |
| Electrocardiogram (ecg) 2-day continuous with review and report by health care professional | Treatment | 93224 |
154 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
45 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other cardiovascular diseases in Midlothian 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in VA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.